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GTF to LGG: distance & flight time
Great Falls (Great Falls International Airport) → Liege (Liège Airport)
4,690 mi
7,548 km · 4,076 nm
9h 40m
estimated nonstop flight time
+8h
time difference · heading northeast
See live GTF→LGG fares Phone-only fares on this route — call free
Flight time details
4,690 miles nonstop takes roughly 9h 40m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- GTF — Great Falls International Airport · Great Falls, United States
- LGG — Liège Airport · Liege, Belgium
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Near LGG
- MST · Maastricht Aachen Airport24 mi away
- GKE · Geilenkirchen Air Base34 mi away
- AAH · Aachen-Merzbrück Airport35 mi away
- CRL · Brussels South Charleroi Airport45 mi away
Frequently asked questions
How far is GTF from LGG?
The flight distance from Great Falls (GTF) to Liege (LGG) is 4,690 miles (7,548 km, 4,076 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GTF to LGG?
A nonstop flight takes about 9h 40m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Great Falls and Liege?
Liege is 8 hours ahead of Great Falls.
What is the cheapest way to fly from GTF to LGG?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GTF–LGG that never appear on search engines, with no booking fees.